| Ana Sagar Lake | |
|---|---|
 The Anasāgar Lake | |
  Ana Sagar Lake | |
  Interactive Map | |
| Location | Ajmer, Rajasthan, India |
| Coordinates | 26°28′30″N 74°37′30″E / 26.475°N 74.625°E |
| Basin countries | India |
| Max. depth | 4.4 m (14 ft) |
| Water volume | 4,750,000 m3 (6,210,000 cu yd) |
Ana Sagar Lake is an artificial lake situated in the city of Ajmer in Rajasthan state in India. It was built by Arnoraja (alias Ana), the grandfather of Prithviraj Chauhan, in 1135 -1150 AD and is named after him. The catchments were built with the help of local populace. The lake is spread over 13 km (8.1 mi).